this happened with three of my rooster they are completely fine and then the next thing I know they're collapsing and dead. it could be marek's disease and it's very contagious she could die in about 1-10 days so just be careful you can look up good medications.
My crazy hens have eaten mice, frogs, snakes and even fried chicken!:sick One time my sister and I were baking cookies and we looked out our window to see our hen raptor, (lived up to her name) running around with something in her beak, we didn't know what it was but all the chickens were...